511.Have you called Mr.Johnson?
Yes,he _______ back before tomorrow noon.So he can attend our meeting on time.
A.expected
B.is expected
C.is expecting
D.is to expect
512.Where _________ you put my dictionary?
I left it on your desk when you _____ to Tom.
A.did;spoke
B.have;were speaking
C.had;were speaking
D.had;spoke
511.答案是B;expect sb.back期待某人回来，此处应用被动语态。
512.答案是B;第一空用完成时强调对现在的影响；第二空则表示当时正在发生的事。
